小青用VB设计了如下图所示的程序界面:

(1)如上图所示,该窗体内有 个对象,这些对象分为 __________类。
(2)为实现上述功能,请在划线处填入合适代码。
Private Sub Command1_Click()
Dim ma as single
Dim mb as single
Dim s as single
Ma =10*30
Mb = 0.000001
For i = 1 to _______①_____
Mb = ____②______
S=" s" + mb
Next i
Text1.text = str(ma)
Text2.text = str(s)
End sub
① 应填的内容是__________ ,②中应填的内容是__________ 。

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

